| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 |
|---|---|---|---|---|---|---|
| Expenses: | ||||||
| General and administrative | ||||||
| Total expenses | ||||||
| Loss from operations | ||||||
| Other income (expense): | ||||||
| Interest income (expense) | ||||||
| Other income (expense), net | — | — | ||||
| Total other income (expense) | ||||||
| Net loss | ||||||
| Net loss per share – basic (in dollars per share) | — | |||||
| Net loss per share – diluted (in dollars per share) | — |